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Miele washers

Miele washing machine repair

A Miele TwinDos washer asks for your water hardness at setup, then doses UltraPhase 1 at 46, 58 or 70 ml for levels I, II and III. We confirm that setting before we open anything.

Small top-load washing machine with its lid raised in a tiled laundry room

Six things a Miele washer may be telling you

Miele washers report trouble in words, not numbered codes. The six situations below come from Miele's own manual. For the causes every brand shares, such as a worn pump or a failed spin, use the problem pages linked further down.

Fault F

A control fault. Power off at the plug or breaker for 2 minutes or more, then restart. Again? Book service.

Drainage fault

Miele names two causes: a blocked drain, or a drain hose mounted higher than the machine can pump.

Slow or no fill

Two screens guard the inlet valve, one in the hose end and one in the valve. Both can clog.

Water in the base

The Waterproof float switch has tripped. It shuts the inlet and pumps the tub out, so find the leak.

Hygiene info

Not a fault. It is a reminder that the drum needs its empty hot cleaning run.

Odd wash results

A TwinDos hardness level set wrong at installation changes every dose the machine gives. Check it in the settings.

Damp laundry rooms

Why does a Miele washer start to smell?

Mostly from cool washes and liquid detergent, which Miele says can breed odor inside the machine. Its fix is an empty Clean Machine run once a month at the Sanitize setting of 170°F (75°C), and the display prompts it with Hygiene info. Oahu air makes that habit worth keeping. Windward lowland humidity runs roughly 70 to 80 percent, and most Hawaii homes have no central AC. A wet drum in a closed laundry closet dries slowly. Leave the door open after the last load.

Monthly Sanitize run Inlet screens twice yearly Hardness set correctly Door open to dry
White front-load washer tucked in a utility corner with detergent bottles on its lid

Miele washer numbers

170°F
Sanitize setting for the monthly clean
3 ft 3 in
Highest the drain may sit
1,015 psi
Inlet hose rating, Waterproof system
6 months
Interval for checking the inlet screens

Sources: Miele en-CA/US washer operating and installation instructions, M.-Nr. 12 864 770; Miele company timeline

Hookup

What a Miele washer needs at the wall

ItemMiele's figureWhat we look at
Supply hoses1/2 in (13 mm) pressure hoses, 3/4 in female hose-thread endsKinks, worn washers, a hose pushed tight against the wall
Power6 ft 6 3/4 in cord, 120 V, 15 A NEMA 5-15 plugThe outlet and whether an extension cord is in use
Drain runHose may be extended to about 16 ft 5 in (5 m)Every bend and the height at the standpipe
Data plateAbove the porthole glass, seen with the door openModel and serial, so parts match the first time

Miele laundry pages and washer problem guides

Miele appliance repair overviewMiele dryer repairWashing machine repair, all brandsWasher will not drainWasher smells badWasher leaking waterWasher not spinning
01

Drum and dosing

Miele patented it (European patent EP 0 935 687) and launched it for the washing machine's 100th anniversary, and it lets laundry slide on a thin film of water.
The two TwinDos detergent cartridges. The washer doses both by itself, and the UltraPhase 1 amount depends on the hardness level entered at setup.
A single-dose capsule option for specialty detergents, switched on from its own sensor button.
That is PowerWash. In Normal with small and medium loads, Wrinkle-free, Dress Shirts and Delicates, the washer takes in only a little more water than the clothes absorb, heats that small amount and sprays it back through the load. It saves energy and is not a fill fault.
Since at least 1910, when it began selling a washer driven by a built-in electric motor.
02

Setup and faults

Cut power at the plug or breaker, wait at least 2 minutes, then power up and restart the program; if Fault F comes back, the machine needs a repair.
No higher than 3 ft 3 in (1 m). Above that, Miele lists a hose mounted too high as a cause of the drainage fault.
Only one that can handle 145 psi (1,000 kPa), the minimum Miele sets for replacements. Its own spare hoses are tested to 870 psi. The inlet hose that comes with the Waterproof system is rated above 1,015 psi, so a cheap store hose is a step down from what the machine shipped with.
It stops the water, not the damage already done. A floor tray with a float switch, a leak sensor and overflow protection shut the inlet and pump the tub out. Water that reached the floor before that still has to be found and dried, and the cause still has to be fixed before the next load.
We cannot give a current number. USGS data from 1969 to 1985 put Hawaii public supply hardness generally below 120 mg/L, the top of the moderately hard band, and most Oahu supply came from the Koolau aquifers. That is old data, so a reading from your own tap is the safer basis for the setting.

Miele washer stuck on a drainage fault?

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